#3A1003#3A1003

#3A1003 is a very dark, moderate red. Relative luminance 0.013; OKLCH L 24.1% C 0.071 H 38.7°. Best body text is #FFFFFF at 16.73:1 contrast (WCAG AA passes).

Color values

HEX	#3A1003
RGB	rgb(58, 16, 3)
HSL	hsl(14, 90%, 12%)
HSV	hsv(14, 95%, 23%)
CMYK	cmyk(0%, 72.4%, 94.8%, 77.3%)
CIE-LAB	lab(11.11, 19.94, 15.87)
CIE-LCH	lch(11.11, 25.48, 38.52°)
OKLab	oklab(24.13% 0.0551 0.0441)
OKLCH	oklch(24.13% 0.071 38.7)
XYZ	xyz(1.9469, 1.2770, 0.2301)
Luminance	0.0128 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A1003 #032D3A

analogous

#3A0312 #3A1003 #3A2C03

triadic

#3A1003 #033A10 #10033A

tetradic

#3A1003 #123A03 #032D3A #2C033A

square

#3A1003 #123A03 #032D3A #2C033A

split-complementary

#3A1003 #033A2C #03123A

monochromatic

#1D0802 #1D0802 #3A1003 #742006 #AE3009

Accessibility & contrast

On white

16.73

#3A1003 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.26

#3A1003 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A1003

16.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A1003	#FFFFFF	#000000	##FFFFFF
##3A1003	1.00	16.73	1.26	16.73
#FFFFFF	16.73	1.00	21.00	1.00
#000000	1.26	21.00	1.00	21.00
##FFFFFF	16.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C1802

Deuteranopia (green-blind)

#262102

Tritanopia (blue-blind)

#41050D

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #3a1003;
/* rgb */ color: rgb(58, 16, 3);
/* oklch */ color: oklch(24.1% 0.071 38.7);

Tailwind

colors: {
  custom: {
    50: '#745048',
    500: '#3a1003',
    950: '#000000',
  },
}

SCSS

$custom: #3a1003;
$custom-light: #745048;
$custom-dark: #000000;

JSON

{
  "hex": "#3a1003",
  "rgb": {
    "r": 58,
    "g": 16,
    "b": 3
  },
  "hsl": {
    "h": 14.182,
    "s": 90.164,
    "l": 11.961
  },
  "oklch": {
    "l": 0.24128,
    "c": 0.07061,
    "h": 38.7
  },
  "luminance": 0.01277
}

Semantic roles & 50–950 ramp

primary

#3A1003

secondary

#1C667D

accent

#CCFF29

background

#F7F4F4

surface

#EDE7E6

border

#C8C3C2

text

#090200

muted

#7B7877

Preview Lab

Preview with #3A1003

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →